Problem 6-03A Windsor, Inc. had a beginning inventory of 120 units of Product RST at a cost of $7 per unit. During the year, purchases were: Feb. 20 620 units at $8 Aug. 12 435 units at $10 May 5 555 units at $9 Dec. 8 120 units at $11 Windsor uses a periodic inventory system. Sales totaled 1,530 units. * Your answer is incorrect. Try again. Determine the ending inventory and the cost of goods sold under each of the assumed cost flow methods (FIFO, LIFO, and average-cost). (Round answers to 0 decimal places, e.g. 150.) FIFO LIFO AVERAGE-COST The ending inventory 2520 1800 2934 X The cost of goods sold 14445 15165 14030